[Diy_efi] Lead fuel compaible O2 sensor

[gary]

> Why would you imply using a NBO2 sensor for 
> tuning, in a performance or race car environment?

After rereading... again... I may have/did misunderstood 
you, Phillip.  

GAS

----- Original Message ----- 
From: "gary" <gas- at charter.net>
To: <diy_efi at diy-efi.org>
Sent: Sunday, July 03, 2005 9:35 PM
Subject: Re: [Diy_efi] Lead fuel compaible O2 sensor


> > > As far as I know there is no such thing, usually on cars
> > > that run leaded fuel, such as race cars, they will use
> > > exhaust temp sensors to monitor a/f ratios.  Somebody
> > > else may know more about that that me though....
> 
> > Also to set the record straight there is a pretty big difference 
> > between a WB o2 sensor or as some call it a lambda sensor 
> > and a conventional o2 sensor heated or not..
> 
> Yea, one is used to determine actual AFR #s, and the other is 
> used by OEM as a glorified 'switch'.  Philip, you were referring 
> to race car tuning.  Why would you imply using a NBO2 sensor 
> for tuning, in a performance or race car environment?
> 
> GAS
> 
> ----- Original Message ----- 
> From: "Phillip Kuhn" <pmkls1 at yahoo.com>
> To: <dh at busb.com>; <diy_efi at diy-efi.org>
> Sent: Sunday, July 03, 2005 8:49 PM
> Subject: Re: [Diy_efi] Lead fuel compaible O2 sensor
> 
> > Actually the egt measurements I was referring to is
> > used by drag racers as a method of engine tuning not
> > for engine management. The egt sensors are used for
> > datalogging and viewing after a pass or they are used
> > on a dyno during testing (I believe they are used on a
> > dyno by many not just dragracers). I think that I
> > should have worded my original reply better, but I was
> > just trying to state that there are other methods for
> > calculating A/F ratio sine most motorsports these days
> > still dont use electronic fuel injection or at least
> > not in the conventional manner.............
> >  Also to set the record straight there is a pretty big
> > difference between a WB o2 sensor or as some call it a
> > lambada sensor and a conventional o2 sensor heated or not......